Lock



FIG. 1 is a perspective view of a lock.

FIG. 2 is a front view of the lock of FIG. 1.

FIG. 3 is a rear view of the lock of FIG. 1.

FIG. 4 is a top view of the lock of FIG. 1.

FIG. 5 is a bottom view of the lock of FIG. 1.

FIG. 6 is a right side view of the lock of FIG. 1.

FIG. 7 is a left side view of the lock of FIG. 1; and,

FIG. 8 is another a front view of the lock of FIG. 1, wherein a handle is turned about 180° from the position shown in FIG. 2. 

We claim the ornamental design for a lock, as shown and described. 